19980244

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{599}}^1$

素因数の和:903

約数の個数: 24

約数和(自身を含む): 36288000

約数和(自身を除く): 16307756

約数列:

[1, 2, 4, 31, 62, 124, 269, 538, 599, 1076, 1198, 2396, 8339, 16678, 18569, 33356, 37138, 74276, 161131, 322262, 644524, 4995061, 9990122, 19980244]

約数ペア:

[(1, 19980244), (2, 9990122), (4, 4995061), (31, 644524), (62, 322262), (124, 161131), (269, 74276), (538, 37138), (599, 33356), (1076, 18569), (1198, 16678), (2396, 8339)]